CLASSIFICATION
H - Social Science
320
T - Technology
270
L - Education
24
K - Law
14
Q - Science
14
G - Geography, Anthropology, Recreation
9
C - Historical Sciences
7
A - General Works
6
S - Agriculture
5
J - Political Science
3
M - Music
3
V - Naval Science
3
Z - Library Science
2
F - General American History
1
N - Fine Arts
1
R - Medicine
1